261084480

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{283}}^1$

素因数の和:365

約数の個数: 168

約数和(自身を含む): 859572576

約数和(自身を除く): 598488096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 240, 248, 283, 310, 320, 372, 465, 480, 496, 566, 620, 744, 849, 930, 960, 961, 992, 1132, 1240, 1415, 1488, 1698, 1860, 1922, 1984, 2264, 2480, 2830, 2883, 2976, 3396, 3720, 3844, 4245, 4528, 4805, 4960, 5660, 5766, 5952, 6792, 7440, 7688, 8490, 8773, 9056, 9610, 9920, 11320, 11532, 13584, 14415, 14880, 15376, 16980, 17546, 18112, 19220, 22640, 23064, 26319, 27168, 28830, 29760, 30752, 33960, 35092, 38440, 43865, 45280, 46128, 52638, 54336, 57660, 61504, 67920, 70184, 76880, 87730, 90560, 92256, 105276, 115320, 131595, 135840, 140368, 153760, 175460, 184512, 210552, 230640, 263190, 271680, 271963, 280736, 307520, 350920, 421104, 461280, 526380, 543926, 561472, 701840, 815889, 842208, 922560, 1052760, 1087852, 1359815, 1403680, 1631778, 1684416, 2105520, 2175704, 2719630, 2807360, 3263556, 4079445, 4211040, 4351408, 5439260, 6527112, 8158890, 8422080, 8702816, 10878520, 13054224, 16317780, 17405632, 21757040, 26108448, 32635560, 43514080, 52216896, 65271120, 87028160, 130542240, 261084480]

約数ペア:

[(1, 261084480), (2, 130542240), (3, 87028160), (4, 65271120), (5, 52216896), (6, 43514080), (8, 32635560), (10, 26108448), (12, 21757040), (15, 17405632), (16, 16317780), (20, 13054224), (24, 10878520), (30, 8702816), (31, 8422080), (32, 8158890), (40, 6527112), (48, 5439260), (60, 4351408), (62, 4211040), (64, 4079445), (80, 3263556), (93, 2807360), (96, 2719630), (120, 2175704), (124, 2105520), (155, 1684416), (160, 1631778), (186, 1403680), (192, 1359815), (240, 1087852), (248, 1052760), (283, 922560), (310, 842208), (320, 815889), (372, 701840), (465, 561472), (480, 543926), (496, 526380), (566, 461280), (620, 421104), (744, 350920), (849, 307520), (930, 280736), (960, 271963), (961, 271680), (992, 263190), (1132, 230640), (1240, 210552), (1415, 184512), (1488, 175460), (1698, 153760), (1860, 140368), (1922, 135840), (1984, 131595), (2264, 115320), (2480, 105276), (2830, 92256), (2883, 90560), (2976, 87730), (3396, 76880), (3720, 70184), (3844, 67920), (4245, 61504), (4528, 57660), (4805, 54336), (4960, 52638), (5660, 46128), (5766, 45280), (5952, 43865), (6792, 38440), (7440, 35092), (7688, 33960), (8490, 30752), (8773, 29760), (9056, 28830), (9610, 27168), (9920, 26319), (11320, 23064), (11532, 22640), (13584, 19220), (14415, 18112), (14880, 17546), (15376, 16980)]